0 Scope

22.0853GPPClosed User Group (CUG) supplementary servicesStage 1TS

The present document describes the Supplementary Services belonging to the group Community Of Interest Supplementary Services.

The general aspects, including definitions and recommended provision, of the description of the Supplementary Services are given in TS 22.004.

The group of Community Of Interest Supplementary Services includes one Supplementary Service:

– Closed user group (clause 1).

0.1 References

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.

• References are either specific (identified by date of publication, edition number, version number, etc.) or non‑specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.

[1] 3GPP TS 21.905: "Vocabulary for 3GPP Specifications".

[2] 3GPP TS 22.004: "General on Supplementary Services".

[3] 3GPP TS 23.003: "Digital cellular telecommunications system (Phase 2+); Numbering, addressing and identification".

[4] ITU-T Recommendation X.121: "International numbering plan for public data networks".

[5] ITU-T Recommendation X.180: "Administrative arrangements for closed user groups (CUGs)".

[6] 3GPP TS 22.088: “Call Barring (CB) supplementary services – Stage 1”.

0.2 Abbreviations

Abbreviations used in the present document are listed in 3GPP TS 21.905 [1].